The Magic The Gathering Mountain Foil card #139 by John Avon is a speciality EX card from the Unhinged set manufactured by Wizards of the Coast in 2004. This full art foil card features a unique mountain creature/monster type illustration, making it a desirable collectible for fans of the game. With its standard size and English language text, this card is a valuable addition to any Magic: The Gathering collection for players aged 13 and above.